157 / 416
© FANTECH
2016
D
ROOF MOUNTED FANS
D-11
Select the model required to handle the air quantity specified
from the performance graph.
Model
A
B C D E
App.
wt.
kg
App.
vol.
m
3
Min.
Free
Area
m
2
MRV1-BFC
210 260 30 200 346 1.0 0.02 0.017
MRV2-BFC
350 410 55 350 570 3.0 0.14 0.073
RV1-BFC
400 500 85 380 670 5.0 0.21 0.110
RV2-BFC
510 610 90 450 774 7.0 0.32 0.170
RV3-BFC
670 770 90 560 890 11.0 0.52 0.270
RV4-BFC
780 980 90 640 1180 16.0 1.10 0.410
Dimensions, mm
E
A
B (max.)
C
D
DIMENSIONS
HOW TO ORDER
DESCRIPTION
The robust Alpha Relief Vents with bushfire code compliance
have been designed to control relief air and the pressure within
buildings. They may also be used in a ducted system where the
fan is mounted remotely to the cowl. They comply with BAL-LOW
to BAL-40 of the Australian Standard AS3959:2009 Construction
of buildings in bushfire prone areas.
There are 6 models in the range capable of handling air flows
from 0.04 to 4.0m
3
/s.
Typical Applications
To control relief air and the pressure within buildings in bushfire
prone areas.
May also be used as the air intake and discharge point where
the fan is mounted remotely.
Features
O
Robust, heavy duty galvanised steel construction.
O
Fitted with high quality bronze mesh to provide protection
from burning embers.
O
All units are designed for curb mounting.
O
Can be mounted at angles up to 30°.
O
Can also be used as air intake units. Pressure losses are
approximately the same.
O
Compliant to AS3959:2009, upto and including BAL-40
Construction
Cowls are of galvanised steel.
Bronze mesh with a maximum of 2mm aperture fitted.
Special note
Construction of buildings in bushfire prone areas
AS3959:2009, clause 6.6.5(b) "Roof penetrations" states:
Openings in vented roof lights, roof ventilators or vent pipes
shall be fitted with ember guards made from a mesh
or perforated sheet with a maximum aperture of 2mm,
made of corrosion-resistant steel, bronze or aluminium.
SUGGESTED SPECIFICATION
The roof ventilators shall be of the Alpha Relief Air Vents Series
with bushfire code compliance as designed and manufactured
by Fantech Pty Ltd.
They shall be constructed from galvanised steel and include
ember protection mesh made from bronze or steel with
openings a maximum of 2mm.
They shall comply with BAL-LOW to BAL-40 of the Australian
Standard AS3959:2009 Construction of buildings in bushfire
prone areas.
ALPHA RELIEF AIR VENTS - BUSHFIRE CODE COMPLIANT
Scan the QR
code to view
more information
online.